Location History:
- Funabashi, JP (1997)
- Chiba-ken, JP (1997)
Company Filing History:
Years Active: 1997
Title: Masatoshi Yanagimachi: Innovator in Optical Recording Media
Introduction
Masatoshi Yanagimachi is a notable inventor based in Funabashi, Japan. He has made significant contributions to the field of optical recording media, holding a total of 3 patents. His work has advanced the technology used in data storage and retrieval.
Latest Patents
Yanagimachi's latest patents focus on the development of optical recording media. One of his innovations involves an optical recording medium where the per-pits in a ROM area have a depth of 250 nm or more and 350 nm or less. Additionally, the pre-grooves between the pre-pits have a depth of 30 nm or more and 170 nm or less. The wobbling tracks have an amplitude of 25 nm or more and 110 nm or less. The product of the depth of the pre-grooves and the wobble amplitude of the track is 3100 or more. Furthermore, the pre-grooves in a RAM area have a depth of 130 nm or more and 250 nm or less. This hybrid disk meets the Orange Book standards, ensuring excellent signal characteristics. Another patent describes an optical recording medium that consists of a recording layer, a reflective layer, and a protective layer, all arranged on a substrate. The recording layer contains a porphyrin compound, which enhances the medium's performance.
Career Highlights
Masatoshi Yanagimachi is currently associated with Mitsui Toatsu Chemicals, Incorporated, where he continues to innovate in the field of optical technologies. His work has been instrumental in developing advanced recording media that meet industry standards.
Collaborations
Throughout his career, Yanagimachi has collaborated with notable colleagues, including Sumio Hirose and Yoshiteru Taniguchi. These partnerships have contributed to the success of his projects and the advancement of optical recording technologies.
Conclusion
Masatoshi Yanagimachi's contributions to optical recording media have significantly impacted the field of data storage. His innovative patents and collaborations highlight his role as a leading inventor in this technology.